<template>
  <div class="tags">
    <el-tag
      v-for="(tag, index) in tags"
      :key="tag.name"
      :closable="tag.name !== 'home'"
      :effect="$route.name === tag.name ? 'dark' : 'plain'"
      @click="changeMenu(tag)"
      @close="handleClose(tag, index)"
      size="small"
    >
      {{  tag.label  }}
    </el-tag>
  </div>
</template>
<script>
import { mapState , mapMutations} from "vuex";
export default {
  name: "CommonTag",
  data() {
    return {};
  },
  computed: {
    ...mapState({
      tags: state => state.tab.tabsList,
    }),
  },
  created() {
    // console.log(state);
  },
  methods: {
    ...mapMutations({
      close: 'closeTag'
    }),
    changeMenu(item) {
      this.$router.push({name: item.name})
    },
    handleClose(tag ,index) {
      const length = this.tags.length - 1
      this.close(tag)
      if(tag.name !== this.$route.name) {
          return;
      }
      if (index === length){
        this.$router.push({
          name: this.tags[index - 1].name
        })
      }
      else{
        this.$router.push({
          name: this.tags[index].name
        })
      }
    },
  }
};
</script>
<style lang="less" scoped>
.tags {
  padding: 20px;
  .el-tag {
    margin-right: 15px;
    cursor: pointer;
  }
}
</style>
